#include<stdio.h>

int main()
{
int num=10;
int ans=0;
char temp[50]="Hello world,this is zarror!";
char temp1[50]="Hello world,this is zarror!";
ans=sub_fun1(num);
sub_fun2(temp);
printf("%d的阶乘为：%d\n",num,ans);
printf("原始字符串为：%s\n",temp1);
printf("替换后的字符串为：%s\n",temp);
return 0;


}
